Tesco has issued an urgent recall on two toy pens over asphyxiation fears.

It is advising anyone who has bought the products to return them to store immediately. No receipt is required.

The supermarket released a statement saying: "Amscan International Ltd has advised that the caps on both pens do not comply with the required safety standards and as such may pose an asphyxiation hazard if swallowed accidentally. There have been no reports of injuries with either of these products.

"As a precautionary measure, Amscan International Ltd are recalling affected pens from customers. No other Amscan products are known to be affected."